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18 results on '"Mexner, W"'

8. FLUTE, a linac based THz source

Author

Naknaimueang, S., Baumbach, T., Gies, A., Hagelstein, M., Hiller, N., Huttel, E., Judin, V., Kehrer, B., Kubat, R., Marsching, S., Mexner, W., M̈uller, A. -S, Nasse, M., Anton Plech, Rossmanith, R., Schuh, M., Schwarz, M., Schmelling, M., Abela, R., Ganter, R., Braun, H. H., and Patterson, B.

Subjects
Physics::Accelerator Physics, ddc:620, Engineering & allied operations
Abstract

We propose a versatile THz source named FLUTE (Ferninfrarot Linac- Und Test-Experiment) based on a 30 - 50 MeV S-band linac with bunch compressor, that aimsat not only producing high field THz pulses but also at serving as a test facility to study accelerator physics issues. This source is an important step towards the planned ultra-broadband THz to mid infrared user facility TBONE. Special emphasis is put on studies of bunch compression as a function of bunch charge (0.1-5 nC) and of different generation mechanisms of coherent radiation (CSR, CER, CTR). This paper describes the design and layout of the proposed FLUTE machine and presents results of beam dynamic calculations with the tracking programs ASTRA and CSRtrack. In addition, calculations for the achievable peak electrical field and spectral characteristics for one version of the FLUTE layout are shown.

Published
2011
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9. Software and Services for Structured Data: Large scale data management LSDF

Author

Stotzka, R., Tonne, D., Jejkal, T., Hartmann, V., Pasic, H., Schmidt, T., Rindone, F., Ochsenreither, S., Weber, M., Mexner, W., Hagelstein, M., Vagovic, P., Don Santos Rolo, T., Farago, T., Van Wezel, J., Hardt, M., Garcia, A., Kupsch, R., Bourov, S., and Streit, A.

Subjects
ddc:620, Engineering & allied operations
Published
2011

10. Status of the 2.5 GeV Light Source ANKA

Author

Einfeld, D, Babayan, R A, Bast, J, Birkel, I, Buth, G, Cerff, K, Doyle, S M, Gies, A, Hagelstein, M, Herberger, U, Hermle, S, Holstein, F, Huttel, E, Jäkel, M T, Krüssel, A, Kuper, M, Lange, M, Mathis, Y L, Mexner, W, Moser, H O, Pellegrin, E, Pérez, F, Pont, M, Ristau, U, Schieler, H, Simon, R, Steininger, R, Stricker, R, Voigt, S, Walter, R, Weimar, E, and Weindl, A

Subjects
Accelerators and Storage Rings
Published
1998

11. Status of the 2.5 GeV light source ANKA

Author

Babayan, R., primary, Buth, G., additional, Doyle, S., additional, Einfeld, D., additional, Gies, A., additional, Goettert, J., additional, Hagelstein, M., additional, Hagestedt, A., additional, Hermle, S., additional, Holstein, F., additional, Huttel, E., additional, Jakel, M., additional, Knoch, H., additional, Krussel, A., additional, Lange, M., additional, Mathis, Y.-L., additional, Mexner, W., additional, Moser, H.O., additional, Pellegrin, E., additional, Rathjen, E., additional, Ristau, U., additional, Rossmanith, R., additional, Schieler, H., additional, Simon, R., additional, Steininger, R., additional, Voigt, S., additional, Walther, R., additional, Perez, F., additional, Pont, M., additional, and Plesko, M., additional

Published
1999
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18. Low temperature properties of Y 3 Ni

Author

Gratz, E., Hilscher, G., Michor, H., Markosyan, A., Talik, E., Czjzek, G., and Mexner, W.

Abstract

Abstract: The electrical resistivity (ρ) in the temperature range from 20mK up to 1000K and the low temperature specific heat ofY 3 Ni have been studied. Neithera magnetic order nor a superconducting transition have been found. An enhanced spin fluctuation contributution to the temperature dependence of the resistivity is concluded from the low temperatureT 2 behaviour and the pronounced negative curvature at elevated temperatures in ρ vs. T. However, the large A/γ2 Y 3 Ni (5.610−5 is beyond the spin fluctuation regime in the Kadowaki—Woods plot) does not enable us to classify this compound as a typical spin fluctuation system.

Published
1996
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